package com.itheima.reggin.config;//package com.itheima.reggin.config;
//
//import com.fasterxml.jackson.annotation.JsonAutoDetect;
//import com.fasterxml.jackson.annotation.PropertyAccessor;
//import com.fasterxml.jackson.databind.ObjectMapper;
//import org.springframework.cache.annotation.CachingConfigurerSupport;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.data.redis.connection.RedisConnectionFactory;
//import org.springframework.data.redis.core.RedisTemplate;
//import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
//import org.springframework.data.redis.serializer.StringRedisSerializer;
//
////配置类专属注解 并且完成自动注入
//@Configuration
//public class RedisConfig extends CachingConfigurerSupport {
//    @Bean
//    //配置redisTemplate
//    // 默认情况下的模板只能支持 RedisTemplate<String,String>，
//    // 只能存入字符串，很多时候，我们需要自定义 RedisTemplate ，设置序列化器
//    public RedisTemplate<String,Object> redisTemplate(RedisConnectionFactory factory){
//        RedisTemplate<String,Object> template = new RedisTemplate <>();
//        template.setConnectionFactory(factory);
//
//        //设置模板支持
//        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
//        ObjectMapper om = new ObjectMapper();
//        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
//        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
//        jackson2JsonRedisSerializer.setObjectMapper(om);
//
//        //设置序列化方式
//        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
//        // key采用String的序列化方式
//        template.setKeySerializer(stringRedisSerializer);
//        // hash的key也采用String的序列化方式
//        template.setHashKeySerializer(stringRedisSerializer);
//        // value序列化方式采用jackson
//        template.setValueSerializer(jackson2JsonRedisSerializer);
//        // hash的value序列化方式采用jackson
//        template.setHashValueSerializer(jackson2JsonRedisSerializer);
//        template.afterPropertiesSet();
//
//        return template;
//    }
//
//}